Fix code style a bit

eslint is now complaining about returning a double assignment, so
I had to move the double assignment to its own line.

tournaments/index.js

@@ -843,7 +843,8 @@ function createTournament(room, format, generator, playerCap, isRated, args, out
 		output.errorReply("You cannot have a player cap that is less than 2.");
 		return;
 	}
-	return (room.game = exports.tournaments[room.id] = new Tournament(room, format, createTournamentGenerator(generator, args, output), playerCap, isRated));
+	room.game = exports.tournaments[room.id] = new Tournament(room, format, createTournamentGenerator(generator, args, output), playerCap, isRated);
+	return room.game;
 }
 function deleteTournament(id, output) {
 	let tournament = exports.tournaments[id];